@article{ref1,
    author = {Author A},
    title = {Title of Reference 1},
    journal = {Journal A},
    year = {2023},
    volume = {1},
    number = {1},
    pages = {1--10},
}

@article{ref2,
    author = {Author B},
    title = {Title of Reference 2},
    journal = {Journal B},
    year = {2023},
    volume = {2},
    number = {2},
    pages = {20--30},
}
